Let (m × n) denote a matrix of size m × n. Find the size of the following product, or state that the product is not defined.(2 × 1)(1 × 1)
A. 2 × 1
B. 2 × 2
C. not defined
D. 1 × 2
Answer: A
Mathematics
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Find the center and radius of the sphere. Select the correct answer.
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Mathematics
A large number of female llama were studied. It was found that this species of llama has a mean gestation period of 350 days with a standard deviation of 11 days. (Gestation period is defined as the time from conception to birth.) Use this to information to solve the problem.
What percent of llamas have gestation periods between 339 and 372 days?
A. 95% B. 63.5% C. 84% D. 81.5%
Mathematics
Convert the units using unit fractions.4
hr = 
min
A. 285
B. 114
C. 
D. 
Mathematics
Find the root rounded to three significant digits.
A. 0.207 B. 0.194 C. 0.151 D. 0.086 E. 0.316
Mathematics